EP1697958B1 - Sicherungseinsatz mit flachem isolierkörper - Google Patents

Sicherungseinsatz mit flachem isolierkörper Download PDF

Info

Publication number
EP1697958B1
EP1697958B1 EP04816254A EP04816254A EP1697958B1 EP 1697958 B1 EP1697958 B1 EP 1697958B1 EP 04816254 A EP04816254 A EP 04816254A EP 04816254 A EP04816254 A EP 04816254A EP 1697958 B1 EP1697958 B1 EP 1697958B1
Authority
EP
European Patent Office
Prior art keywords
shaft
insulating body
plug
fusible element
element according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP04816254A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1697958A1 (de
Inventor
Henning Schulte
Jürgen SCHEELE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Littelfuse Automotive GmbH
Original Assignee
Littelfuse Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Littelfuse Automotive GmbH filed Critical Littelfuse Automotive GmbH
Publication of EP1697958A1 publication Critical patent/EP1697958A1/de
Application granted granted Critical
Publication of EP1697958B1 publication Critical patent/EP1697958B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/044—General constructions or structure of low voltage fuses, i.e. below 1000 V, or of fuses where the applicable voltage is not specified
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/0411—Miniature fuses
    • H01H85/0415—Miniature fuses cartridge type
    • H01H85/0417—Miniature fuses cartridge type with parallel side contacts

Definitions

  • the invention relates to a fuse with a flat insulating body and a pair of outstanding insulating contacts of the contacts, which recordable in recordings of the insulator contact sections are connected to each other via a fusible link.
  • Fuse Inserts with flat insulating body are used with their contact tongues in fuse holder.
  • Each fuse holder forms a separation point in the line of a circuit and intact circuit bridges the fusible link the separation point. If a fault current occurs, the fuse conductor burns if necessary and interrupts the circuit.
  • the invention has for its object to simplify the assembly of the items to a fuse link, without sacrificing quality and especially cost increases in purchasing.
  • Tongue and groove have the advantage of improving the stability between the fuse plug designed as a flat connector and the insulating body. It ensures a safe wobble-free fit. Depending on the fit between the components and the frictional engagement can be increased in order to achieve a kind of locking.
  • the stability is also beneficial that extends the longitudinal groove over a predetermined part of the total length of the associated shaft portions.
  • the spring extends over a predetermined part of the total length of the plug-in shaft.
  • Tongue and groove can also be wedge-shaped, for example, to obtain a frictional engagement, which is the higher, the more adjusts the final installation position of these collapsed parts in the assembly of fuse link and insulator.
  • each free end of a contact portion of a contact tongue of a fuse link may have a central notch.
  • This middle notch makes it possible to spread the notched head end of the contact portions, for example by placing a corresponding pressure tool. As a result, the contact portions and thus the fuse link are locked to the insulator.
  • the insulating body 1 is an injection molded part made of plastic.
  • the insulator is shown here in approximately ten times magnification.
  • Fig. 2 illustrates how the spring 8 protrudes into the plug-in shaft 4, and that the spring 8 extends only over part of the length of the plug-in shaft 4.
  • Fig. 3 shows the electrically conductive fuse link made of metal, which is received in the insulating body 1.
  • the trained as a flat plug fuse insert consists of a juxtaposed to a pair of contacts 10 and 11 with lower contact tongues 12 and 13 and located in the upper part contact portions 14 and 15.
  • the contact portions 14 and 15 are electrically conductively connected by a fuse element 16 together.
  • Each contact portion 14, 15 is, as shown here, formed as a plug-in shaft 4 suitably pluggable shaft portion having at least one engagement 17 and 18 for the projecting first connecting element 6 and 7 of the insulating body 1.
  • a contact tongue 12 and 13 facing away from the free end of a contact portion 14 and 15, a Mitteleinkerbung 19 and 20 is arranged. By bending apart or spreading with a suitable tool, this center notch 19, 20 can be used for locking with the insulating body 1.
  • Fig. 4 shows a view of the trained as a flat plug fuse according to Fig. 3 in a section along the line IV - IV in Fig. 3 , Identical components are designated by the same reference numbers.
  • Fig. 4 indicates that the engagement 17, and thus also the engagement 18 in the contact portion 15 and in the contact portion 14, is formed as a longitudinal groove extending here over most of the total length of the associated contact portion 14 and 15 respectively.
  • Fig. 5 shows a side view of a fuse with a flat insulating body 1 with it received fuse insert, the contacts 10, 11 protrude from the insulating body 1, when formed as shank parts contact portions of the contacts 10, 11 are inserted into the corresponding receptacles of the insulating body 1 from below, said here by dashed lines indicated mutually corresponding connecting elements (engagement 17, 18 and protruding elevations 6, 7) form a positive connection.

Landscapes

  • Fuses (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP04816254A 2003-12-13 2004-12-13 Sicherungseinsatz mit flachem isolierkörper Not-in-force EP1697958B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20319350U DE20319350U1 (de) 2003-12-13 2003-12-13 Sicherungseinsatz mit flachem Isolierkörper
PCT/DE2004/002729 WO2005057602A1 (de) 2003-12-13 2004-12-13 Sicherungseinsatz mit flachem isolierkörper

Publications (2)

Publication Number Publication Date
EP1697958A1 EP1697958A1 (de) 2006-09-06
EP1697958B1 true EP1697958B1 (de) 2010-06-02

Family

ID=31984835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04816254A Not-in-force EP1697958B1 (de) 2003-12-13 2004-12-13 Sicherungseinsatz mit flachem isolierkörper

Country Status (6)

Country Link
US (1) US7515030B2 (ja)
EP (1) EP1697958B1 (ja)
JP (1) JP2007514284A (ja)
AT (1) ATE470233T1 (ja)
DE (3) DE20319350U1 (ja)
WO (1) WO2005057602A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8077007B2 (en) * 2008-01-14 2011-12-13 Littlelfuse, Inc. Blade fuse
US20100127817A1 (en) * 2008-11-25 2010-05-27 Banzo Juan I Fuse assembly and fuse therefor

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962782A (en) * 1974-01-14 1976-06-15 Littelfuse, Inc. Method of making a miniature plug-in fuse
US4040175A (en) * 1974-01-14 1977-08-09 Littelfuse, Inc. Method of making a miniature plug-in fuse with fragile fuse link
US3909767A (en) * 1974-01-14 1975-09-30 Littelfuse Inc Miniature plug-in fuse
US4203200A (en) * 1977-08-01 1980-05-20 Wiebe Gerald L Method and apparatus for making an encapsulated plug-in blade fuse
US4224592A (en) * 1978-04-03 1980-09-23 Mcgraw-Edison Company Miniature plug-in fuse assembly and method of manufacture
DE3014875A1 (de) * 1980-04-17 1981-10-22 Siemens AG, 1000 Berlin und 8000 München Kontakttraeger
US4349804A (en) * 1981-05-29 1982-09-14 Mcgraw-Edison Fuse assembly for a miniature plug-in fuse
US4394638A (en) 1982-07-21 1983-07-19 Essex Group, Inc. Miniature plug-in fuse assembly and method of making a fuse element therefor
US4499447A (en) * 1983-06-17 1985-02-12 Guim Multi-Tech Corporation Blade terminal fuses with integrity indicator
US4604602A (en) * 1984-08-17 1986-08-05 Littelfuse, Inc. Plug-in fuse assembly with stackable housing
US4580124A (en) * 1984-08-17 1986-04-01 Littelfuse, Inc. Plug-in fuse assembly
US4635023A (en) * 1985-05-22 1987-01-06 Littelfuse, Inc. Fuse assembly having a non-sagging suspended fuse link
US4670729A (en) * 1986-06-03 1987-06-02 Littelfuse, Inc. Electrical fuse
US4998086A (en) * 1988-08-09 1991-03-05 Amp Incorporated Fuse assembly and method of manufacture
AR246379A1 (es) * 1991-10-09 1994-07-29 Amp Inc Fusible electrico de cuchilla.
JP3442159B2 (ja) * 1994-09-27 2003-09-02 矢崎総業株式会社 ヒューズ
US5598138A (en) * 1995-01-03 1997-01-28 Jaronczyk, Jr.; Joseph P. Fault-indicating blade fuse
US5818320A (en) * 1996-10-08 1998-10-06 Yazaki Corporation Fuse assembly with removable fusible element
US6577222B1 (en) * 1999-04-02 2003-06-10 Littelfuse, Inc. Fuse having improved fuse housing
JP2001250466A (ja) * 2000-03-03 2001-09-14 Taiheiyo Seiko Kk ヒューズ素子及びヒューズ取付装置
JP3242095B2 (ja) * 2000-05-16 2001-12-25 矢崎総業株式会社 ヒューズ
JP2001325875A (ja) * 2000-05-18 2001-11-22 Yazaki Corp 差し込み式ヒューズ
JP4104817B2 (ja) * 2000-11-22 2008-06-18 太平洋精工株式会社 ブレード形ヒューズ

Also Published As

Publication number Publication date
DE112004002753D2 (de) 2006-11-23
DE502004011250D1 (de) 2010-07-15
WO2005057602A1 (de) 2005-06-23
DE20319350U1 (de) 2004-03-04
EP1697958A1 (de) 2006-09-06
US7515030B2 (en) 2009-04-07
JP2007514284A (ja) 2007-05-31
ATE470233T1 (de) 2010-06-15
US20070080772A1 (en) 2007-04-12

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